敌敌畏烟剂和异丙威烟剂对韭菜迟眼蕈蚊的室内毒力测定
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摘要
采用玻璃方箱法测定了敌敌畏烟剂和异丙威烟剂对韭菜迟眼蕈蚊(Bradysia odoriphaga)成虫的熏蒸毒力。结果表明,在温度为26℃、熏蒸处理2 h时,2种烟剂的毒力达到最大,此时二者的LD50基本持平,但异丙威烟剂的LD99(0.733 30 g.a.i/m3)是敌敌畏烟剂(0.141 40 g.a.i/m3)的5.2倍;而处理时间相同时,随着温度的升高,2种烟剂的熏蒸毒力亦均呈增强趋势。且敌敌畏烟剂对韭菜迟眼蕈蚊的熏蒸毒力较强,韭菜迟眼蕈蚊对敌敌畏烟剂表现出更大的敏感性。
The fumigation toxicity of dichlorvos and isoprocarb smoke agent against Bradysia odoriphaga adults were measured by the glass chamber method. The results showed that the fumigation toxicity of the two kinds of smoke agent were the strongest by 26 ℃ dealt with 2 h,and right now their LD50 remained basically,but the LD99 of isoprocarb smoke agent(0.733 30 g.a.i/m3) was 5.2 times as much as that of dichlorvos smoke agent(0.141 40 g.a.i/m3). The fumigation toxicity of the two kinds of smoke agent showed enhancement trend with the increase of temperature at the same period. The conclusions showed that the fumigation toxicity of dichlorvos smoke agent against B. odoriphaga adults was stronger, and the test insects showed greater sensitivity to dichlorvos smoke agent.
The fumigation toxicity of dichlorvos and isoprocarb smoke agent against Bradysia odoriphaga adults were measured by the glass chamber method. The results showed that the fumigation toxicity of the two kinds of smoke agent were the strongest by 26 ℃ dealt with 2 h,and right now their LD50 remained basically,but the LD99 of isoprocarb smoke agent(0.733 30 g.a.i/m3) was 5.2 times as much as that of dichlorvos smoke agent(0.141 40 g.a.i/m3). The fumigation toxicity of the two kinds of smoke agent showed enhancement trend with the increase of temperature at the same period. The conclusions showed that the fumigation toxicity of dichlorvos smoke agent against B. odoriphaga adults was stronger, and the test insects showed greater sensitivity to dichlorvos smoke agent.
引文
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[3]徐蕾,赵彤华,刘培斌,等.韭菜迟眼蕈蚊Bradysia odoriphaga嗅觉行为反应[J].应用昆虫学报,2016,53(6):1190-1197.
[4]徐蕾,赵彤华,刘培斌,等.敌敌畏烟剂熏蒸防治韭菜迟眼蕈蚊的条件优化[J].昆虫学报,2017,60(10):1198-1207.
[5]杨田堂.烟剂农药在棚室蔬菜上的应用技术[J].长江蔬菜,2004(2):30-31.
[6]李谱超,孙国文.我国林用烟剂的研制及应用[J].林业科技,1989(1):23-25.
[7]孙承钧,许国庆,张一兵,等.新剂型灭虱宁防治温室白粉虱试验[J].昆虫知识,1995,32(1):20-23.
[8]张长江,陈琳,宋东宏,等.10%异丙威烟剂防治温室白粉虱和棉蚜药效试验[J].农药,1998,37(2):32-33.
[9]顾明浩,陈琳.13.2%敌·溴烟剂防治温室两种蚜虫药效试验[J].农药,2000,39(4):22-23.
[10]高会东.农药烟剂防治平菇害虫药效实验[J].天津农学院学报,2003,10(1):30-32.
[11]陈川,孙朋康,余剑,等.防治温室白粉虱烟剂主剂的筛选研究[J].陕西师范大学学报(自然科学版),2006,34(S1):20-21.
[12]谷希树,卜文俊,胡学雄,等.12%哒·异丙烟剂对温室粉虱的生物活性[J].农药,2007,46(6):418-419,430.
[13]张乃芹,王明友.设施蔬菜烟粉虱无公害防治技术研究[J].北方园艺,2011(23):124-126.
[14]ABBOTT W S.A method of computing the effectiveness of an insecticide[J].Journal of Economic Entomology,1925,18(2):265-267.
[15]FINNEY D J.Probit Analysis[M].3nd Edition.Cambridge,England:Cambridge University Press,1971.
[16]郁凯,彭映辉,申鸽,等.三种植物精油对致倦库蚊成蚊的熏蒸活性及其混配增效作用[J].农药学学报,2014,16(2):132-137.
[17]WANG H Y,YANG Y,SU J Y,et al.Assessment of the impact of insecticides on Anagrus nilaparvatae(Pang et Wang)(Hymenoptera:Mymanidae),an egg parasitoid of the rice planthopper,Nilaparvata lugens(Hemiptera:Delphacidae)[J].Crop Protection,2008,27(3):514-522.